Import OpenSSL 1.1.0f

crypto/dh/dh_gen.c

@@ -1,59 +1,10 @@
-/* crypto/dh/dh_gen.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
  *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to.  The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *    "This product includes cryptographic software written by
- *     Eric Young (eay@cryptsoft.com)"
- *    The word 'cryptographic' can be left out if the rouines from the library
- *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- *    the apps directory (application code) you must include an acknowledgement:
- *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed.  i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
+ * Licensed under the OpenSSL license (the "License").  You may not use
+ * this file except in compliance with the License.  You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
  */
 
 /*
@@ -62,13 +13,9 @@
  */
 
 #include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
 #include <openssl/bn.h>
-#include <openssl/dh.h>
-
-#ifdef OPENSSL_FIPS
-# include <openssl/fips.h>
-#endif
+#include "dh_locl.h"
 
 static int dh_builtin_genparams(DH *ret, int prime_len, int generator,
                                 BN_GENCB *cb);
@@ -76,19 +23,8 @@ static int dh_builtin_genparams(DH *ret, int prime_len, int generator,
 int DH_generate_parameters_ex(DH *ret, int prime_len, int generator,
                               BN_GENCB *cb)
 {
-#ifdef OPENSSL_FIPS
-    if (FIPS_mode() && !(ret->meth->flags & DH_FLAG_FIPS_METHOD)
-        && !(ret->flags & DH_FLAG_NON_FIPS_ALLOW)) {
-        DHerr(DH_F_DH_GENERATE_PARAMETERS_EX, DH_R_NON_FIPS_METHOD);
-        return 0;
-    }
-#endif
     if (ret->meth->generate_params)
         return ret->meth->generate_params(ret, prime_len, generator, cb);
-#ifdef OPENSSL_FIPS
-    if (FIPS_mode())
-        return FIPS_dh_generate_parameters_ex(ret, prime_len, generator, cb);
-#endif
     return dh_builtin_genparams(ret, prime_len, generator, cb);
 }
 
@@ -151,17 +87,7 @@ static int dh_builtin_genparams(DH *ret, int prime_len, int generator,
         if (!BN_set_word(t2, 11))
             goto err;
         g = 2;
-    }
-#if 0                           /* does not work for safe primes */
-    else if (generator == DH_GENERATOR_3) {
-        if (!BN_set_word(t1, 12))
-            goto err;
-        if (!BN_set_word(t2, 5))
-            goto err;
-        g = 3;
-    }
-#endif
-    else if (generator == DH_GENERATOR_5) {
+    } else if (generator == DH_GENERATOR_5) {
         if (!BN_set_word(t1, 10))
             goto err;
         if (!BN_set_word(t2, 3))